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WO/2018/071585A1 |
A power system may include autonomous breakers coupling generators to a main bus. The autonomous breakers may detect deviation of power parameters of the main bus from a predetermined range and couple generators to the main bus to bring ...
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WO/2018/069720A1 |
A sensor apparatus for sensing overheating is described. The apparatus comprises a plurality of heat sensing modules (3), each heat sensing module comprising a thermal switch connected between a first terminal and a second terminal. The ...
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WO/2018/070929A1 |
Disclosed herein is a liquid system tool having an integrated residual current device, RCD. The liquid system tool comprises a current circuit having a power input for receiving an alternating electrical current, AC, a rectifier for rect...
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WO/2018/068057A1 |
A system comprising an array of solar panels, each pane including an electronic control module, wherein the panels are all connected in electrical series with each other and to a switch and to a string inverter, may be signaled to power ...
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WO/2018/066625A1 |
A rotary electric machine control device (50) equipped with a rotary electric machine control unit (52) and a relay control unit (53). The rotary electric machine control unit (52) controls the driving of a rotary electric machine (3), w...
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WO/2018/059899A1 |
The invention relates to a method for operating an actuator device (120). The actuator device (120) has a magnetic actuating element (122), at least one magnetic field sensor (130) for detecting a magnetic field of the actuating element ...
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WO/2018/058819A1 |
Disclosed are a power limiting circuit of an inverter apparatus, and an inverter apparatus. The power limiting circuit comprises: a first logic judgement circuit for comparing an input current of an inverter circuit with a first pre-set ...
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WO/2018/060756A1 |
A controller including over-current protection operable with a switched-mode 5 power supply and method of operating the same. In an embodiment, the controller is configured to provide an over-current protection fault signal when an opera...
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WO/2018/059823A1 |
The invention relates to a method (V) for preventing a dangerous, higher-frequency earth fault current (IEF) for an electrical drive system (2) which is operated in an electrical grid (1) and has a power converter (3) and an electrical d...
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WO/2018/059658A1 |
The invention relates to a circuit for determining a fault current, said circuit comprising a first resistor (Rshunt+), a second resistor (Rshunt-), and a first device (Diff1) for determining a first value for a variable characterising a...
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WO/2018/057875A1 |
The maximum time that external components of a switch mode power supply overconduct is determined by an actual ambient temperature at which the devices are operating before they are turned on. Their operation time is thus extended when t...
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WO/2018/054675A1 |
The invention relates to a DC overvoltage protection device (10) for an energy storage system, an energy storage system (200, 205) having such a DC overvoltage protection device, a method for operating a DC overvoltage protection device ...
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WO/2018/054038A1 |
A protection circuit of a bidirectional converter (13) and a power consumption system having a power-storage function. The protection circuit is applied to a power consumption system having a power-storage function, and comprises: a sing...
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WO/2018/054673A1 |
The invention relates to a DC overvoltage protection device for an energy storage system and/or energy generating system, an energy storage system and/or energy generating system comprising said type of DC overvoltage protection device, ...
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WO/2018/056503A1 |
The present invention provides a system and a method for switching a line short-circuit fault section in an inverter-based stand-alone microgrid, the system comprising: multiple intelligent switchgears disposed on a line in a stand-alone...
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WO/2018/050997A1 |
The invention relates to a method for protecting a network comprising: -electrical lines (120, 130, 230); -three nodes (10, 20, 30) for interconnection with: -a high-voltage interface with controlled switches; -a local network interface;...
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WO/2018/050638A1 |
Provided is a method and system that includes a direct current solid state power controller 100 that includes a plurality of switching devices 120 connected in parallel for performing switching, one or more main transient voltage suppres...
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WO/2018/046435A1 |
According to an embodiment a device (100) for protecting an electrical circuit having at least two contacts (102, 105) connected by an interrupting module (104) and a diplexer (101) is disclosed. The diplexer (101) splits a low frequency...
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WO/2018/046635A1 |
The invention relates to the protection of an electrical energy accumulation device from electromagnetic attacks. The electrical energy accumulation device (10) comprises a housing (12) made of an electrically conductive material, at lea...
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WO/2018/047553A1 |
To provide a control device which can detect an abnormality with certainty by distinguishing between abnormalities including a short circuit of a battery and a broken connection in a load. An electronic control device which, by switching...
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WO/2018/047752A1 |
Provided is a power storage system (1), in which a first switch (SW1) is connected between: a first node (N1) connected to a positive terminal of a power storage unit (10); and a second node (N2) connected to a positive terminal of a loa...
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WO/2018/041369A1 |
The invention relates to a power converter (1), comprising a plurality of modules (1_1 … 1_6), which each have at least two electronic switching elements (202, 206) and a stored electrical energy source (210). The modules (1_1 … 1_6)...
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WO/2018/041994A1 |
The invention relates to a circuit breaker (1) having at least one switching path (2) from a first connection terminal (3) of the circuit breaker (1) to a second connection terminal (4) of the circuit breaker (1), wherein at least one se...
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WO/2018/041589A1 |
There is provided a protection apparatus for protecting an electrical network (20). The protection apparatus comprises: at least one protection device configured to protect the electrical network from a fault in response to a or a respec...
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WO/2018/042389A1 |
Techniques for limiting electrical current provided to a motor for an electric power steering system are provided. A first estimated temperature of the motor is determined for a first time step. The first estimated temperature of the mot...
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WO/2018/040361A1 |
Disclosed are a power supply management circuit and a power supply management method. The power supply management circuit comprises: a power supply copper row (101) used to connect to an external power supply, and receive a power supply ...
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WO/2018/043222A1 |
In the present invention, a smoothing unit (13a) smoothens the detected voltage of each power storage block on the basis of past data for a fixed period. A calculation unit (13b) calculates the difference between the smoothed voltage of ...
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WO/2018/041452A1 |
The invention relates to a disconnecting device (24) for interrupting current, in particular of a circuit breaker (16), comprising a switch (32) and a voltage limiter (36) connected in parallel with the switch (32). The voltage limiter (...
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WO/2018/042764A1 |
In order to realize a temperature control system for an accumulator unit at a low cost while ensuring safety, a first temperature detection unit (11) detects the temperature of a high-temperature area and the temperature of a low-tempera...
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WO/2018/042126A1 |
The control method allows the control of an installation (1) for transmitting electricity comprising a DC transmission network (3) including a group (2) of electricity transmission lines (4) that are linked to one another. The method all...
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WO/2018/040789A1 |
A power supply protection circuit comprises: an auxiliary winding for sampling voltages at two ends of a capacitor in a switching power supply; a resistance-capacitance (RC) charging circuit connected to the auxiliary winding and used to...
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WO/2018/037114A1 |
The invention is concerned with a monitoring device, method and computer program product for monitoring a transformer comprising a tap changer. The transformer has at least two magnetically coupled windings and a tap changer comprising i...
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WO/2018/037262A1 |
In aspects, the present invention provides a method for phase controlled energizing of a power transformer (130). The method comprises acquiring electrical voltage signal from a voltage sensing device (160, 170) connected to the power tr...
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WO/2018/036866A1 |
The invention relates to a device for coupling a controller to a voltage source. An electric connection between the voltage source and the electric controller can be opened or closed by means of a switching element. An electric resistor ...
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WO/2018/033532A1 |
The invention is concerned with a protection device, method and computer program product for protecting a transformer comprising a tap changer and a transformer arrangement comprising a transformer and a protection device. The transforme...
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WO/2018/028247A1 |
A closing control method for a high-voltage direct-current circuit breaker. The method comprises: first, closing breaking units of a breaking branch (2) group by group; and then, closing an on-state branch (1); finally, breaking the brea...
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WO/2018/027495A1 |
A storage battery life protection circuit for an electronic device. When a storage battery (1) of an electronic device is in static storage, a charging and discharging control unit (2) controls a storage battery discharging control unit ...
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WO/2018/028976A1 |
A DC power distribution system comprises a plurality of power sources (24, 25, 26, 27) and a DC power distribution bus comprising a plurality of DC bus sections (20, 21, 22, 23). The system further comprises one or more power switching a...
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WO/2018/024407A1 |
The invention relates to a drive system (1) for a rail vehicle having a transformer (3), a main switch (2) and a grid connection (12), wherein the main switch (2) is arranged between the grid connection (13) and a primary winding (31) of...
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WO/2018/024190A1 |
A rapid protection system comprises a two-out-of-three protection subsystem and a double protection subsystem. The two-out-of-three protection subsystem comprises three sets of independent protection devices. The double protection subsys...
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WO/2018/023909A1 |
A voltage integral-based method for determining saturation of a transformer core. For each phase voltage on one side of a transformer, when a voltage variation exceeds a set threshold value, a sudden change of the state of the transforme...
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WO/2018/024832A1 |
The invention relates to a soft starter (10) for connecting at least one main circuit (12, 14, 16), each of which includes a bypass circuit (20) having a semiconductor switch (22). Said soft starter (10) comprises a control unit (40) for...
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WO/2018/024704A1 |
The invention relates to a method for adjusting a vehicle outer part (12) in which a drive device (14) for adjusting the vehicle outer part is operated by means of a control circuit (20) having a controller (26), wherein at least one inf...
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WO/2018/018693A1 |
Disclosed are a battery protection circuit (100), a battery (200) and a mobile terminal (300), wherein the battery protection circuit (100) comprises: a voltage collection circuit, wherein a first end of the voltage collection circuit is...
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WO/2018/019601A1 |
The invention relates to a method and device (Steu) for detecting an obstruction (Geg2) and/or closing force limitation (F) of a part (Fen; Stz) that can be moved (schli, off; vor, rue) by an electric motor (Mot), in particular (Fen; Stz...
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WO/2018/021059A1 |
Provided is a voltage detecting circuit for a vehicle-mounted battery with which it is possible to protect a battery monitoring circuit even if a battery module is connected in reverse. A voltage detecting circuit (10) is configured as a...
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WO/2018/019428A1 |
The invention relates to a drive system having an arrangement for detecting grid faults and to a method for detecting grid faults, wherein the drive system (8) has a rectifier (2) of converter, supplied from an alternating voltage supply...
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WO/2018/014753A1 |
An adjustment and calibration method and system for electric motor overload protection. The adjustment and calibration method comprises the following steps: collecting a working current of an electric motor in real time (S110); determini...
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WO/2018/014646A1 |
A combined DC circuit breaker, comprising: a transfer branch, an energy absorption branch, at least two main branches and at least two auxiliary branches, wherein the transfer branch and the energy absorption branch are in parallel conne...
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WO/2018/014751A1 |
An electric motor control system, and a method for cancelling thermal relay monitoring in a power supply loop of an electric motor. The method comprises the following steps: collecting a current of a power supply loop (100) in real time ...
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